A Kingsport Man Has Been Arrested For Trying To Set Fire To His Residence In Maple Oak Apartments. 53 Year Old Mark Willis Is Charged With Aggravated Arson. Willis Has Denied Starting The Fire But Police And Fire Officials Said Evidence Pointed To Willis. While He Was Being Booked In The City Jail, 28 Pills Were Reportedly Found In His Possession And He’s Also Charged With Introduction Of Contraband Into A Penal Facility. Authorities Have Not Determined A Motive.